/Engine/Plugins/Runtime/MassGameplay/Source/MassSpawner/Public/MassSpawner.h
If given entity has been spawned by this MassSpawner instance then it will get destroyed and all the book keeping updated. Otherwise the call has no effect.
true if the entity got removed. False otherwise.
bool DespawnEntity ( const [FMassEntityHandle](API\Plugins\MassEntity\FMassEntityHandle) Entity )